Pinpoint Test AZ : DTC B1318: Notes
WARNING: This page is about a different car, the 2016 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Remote Keyless Entry and Alarm , for schematic and connector information.
Normal Operation
The DSM monitors the voltage from the battery to determine if the voltage is above or below specific thresholds. The DSM sets DTC B1318 in continuous memory if the DSM detects low battery voltage below 10 volts on circuit SBB74.
- DTC B1318 (Battery Voltage Low) - a continuous memory DTC that sets when the DSM detects battery voltage below 10 volts on circuit SBB74.
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- High circuit resistance
- DSM